Dear All
I've seen a Sigma, 12mm, f8 fisheye for OM second hand (USD280). I tried it
out on a body in the shop and it produced a round image with about 150f
the top and bottom cut off leaving black curving edges at the sides. The
horizontal angle of view seemed to be about 150 degrees.
I wondered whether that was what is expected as I've only ever seen full
frame or round image fisheye lenses and the max aperture size seems to be
unusually small. It's not listed on the Sigma web site. Is it a one off?
Robin M. Allen
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